#import <UIKit/UIKit.h>

@interface RootViewController : UIViewController

{

    UIView* zhuView;

}

@end

#import "RootViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

        // Custom initialization

    }

    return self;

}

- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.title=@"柱状图";

    self.view.backgroundColor=[UIColor greenColor];

    [self initZhuView:[NSArray arrayWithObjects:@"10",@"20",@"30",@"40",@"50",@"60",@"70",@"80",@"90",nil]];

}

#pragma -mark -柱状图初始化

- (void)initZhuView:(NSArray*)days

{

    if ([[UIScreen mainScreen] bounds].size.height > 480) {

        zhuView = [[UIView alloc] initWithFrame:CGRectMake(0, 310 - 45 + 50, 320, 150)];

    }

    else

    {

        zhuView = [[UIView alloc] initWithFrame:CGRectMake(0, 310 - 45, 320, 150)];

    }

    //柱状图所在的背景图

    [self.view addSubview:zhuView];

    //0天，50天，100天所在的竖线

    UIView* shuView = [[UIView alloc] initWithFrame:CGRectMake(55, 0, 1, 120)];

    [shuView setBackgroundColor:[UIColor orangeColor]];

    [zhuView addSubview:shuView];

    //0-9所在的横线

    UIView* hengView = [[UIView alloc] initWithFrame:CGRectMake(CGRectGetMinX(shuView.frame), CGRectGetMaxY(shuView.frame), 320 - CGRectGetMinX(shuView.frame) - 20, 1)];

    [hengView setBackgroundColor:[UIColor orangeColor]];

    [zhuView addSubview:hengView];

    NSArray* titles = [NSArray arrayWithObjects:@"100天",@"50天",@"0天", nil];

    for (int i = 0 ; i < 3; i++) {

        //天数所在Label

        UILabel* yibaiLb = [[UILabel alloc] initWithFrame:CGRectMake(0, 5 + i* 50, 53, 15)];

        [yibaiLb setText:[titles objectAtIndex:i]];

        [yibaiLb setTextAlignment:NSTextAlignmentRight];

        [yibaiLb setFont:[UIFont systemFontOfSize:14]];

        [yibaiLb setBackgroundColor:[UIColor clearColor]];

        [zhuView addSubview:yibaiLb];

    }

    for (int i = 0; i < [days count]; i++) {

        int height = [[days objectAtIndex:i] intValue];

        if(height>=100)

            height=100;

        //红色的竖线的柱状图

        UIImageView* imageView = [[UIImageView alloc] initWithFrame:CGRectMake(CGRectGetMaxX(shuView.frame) + 10 + i*25, CGRectGetMinY(hengView.frame) - height, 15, height)];

        [imageView setBackgroundColor:[UIColor redColor]];

        [zhuView addSubview:imageView];

        //柱状图上的红色的数字Label

        UILabel* dayLB = [[UILabel alloc] initWithFrame:CGRectMake(CGRectGetMinX(imageView.frame) - 5, CGRectGetMinY(imageView.frame) - 10, 25, 10)];

        [dayLB setTextAlignment:NSTextAlignmentCenter];

        [dayLB setBackgroundColor:[UIColor clearColor]];

        [dayLB setFont:[UIFont systemFontOfSize:10]];

        [dayLB setText:[NSString stringWithFormat:@"%d",[[days objectAtIndex:i] intValue]]];

        [zhuView addSubview:dayLB];

        //1-9的数字所在的Label

        UILabel* diLb = [[UILabel alloc] initWithFrame:CGRectMake(CGRectGetMinX(imageView.frame), CGRectGetMaxY(hengView.frame) , 15, 20)];

        [diLb setText:[NSString stringWithFormat:@"%d",i+1]];

        [diLb setBackgroundColor:[UIColor clearColor]];

        [diLb setTextAlignment:NSTextAlignmentCenter];

        [diLb setFont:[UIFont systemFontOfSize:14]];

        [zhuView addSubview:diLb];

    }

}